body{
    background-color: gray;
}
.h3{
    height: 4rem;
    width: 9rem;
    color:#fff;
    line-height: 4rem;
    text-align: left;
    margin: 0.5rem;
    border-radius: 0.6rem;
    padding-left: 0.6rem;
    box-sizing: border-box;
    background-color: #006d75;
}
.h4{
    display:inline;
    height: 3.5rem;
    width: 4.3rem;
    color:#fff;
    line-height: 3.5rem;
    text-align: left;
    margin:0.3rem 0.3rem;
    border-radius: 0.4rem;
    padding-left: 0.3rem;
    box-sizing: border-box;
    background-color: #006d75;
}
